Re: [PATCH 1/1] arm64: syscall: Direct PRNG kstack randomization

[Arnd Bergmann]

On Fri, Mar 8, 2024, at 17:49, Jeremy Linton wrote:
> On 3/7/24 05:10, Arnd Bergmann wrote:
>>
>> I'm not sure I understand the logic. Do you mean that accessing
>> CNTVCT itself is slow, or that reseeding based on CNTVCT is slow
>> because of the overhead of reseeding?
>
> Slow, as in, its running at a much lower frequency than a cycle counter.

Ok, I see. Would it be possible to use PMEVCNTR0 instead?

      Arnd